.NET Developer - mid-to-senior

US Citizens or GC Holders only - Direct-Hire Local candidates only Onsite- 4-5 days per week We're hiring a mid-to-senior .NET Developer for an onsite contract role in St. Louis. The right candidate is comfortable across the full Microsoft stack - .NET, SQL Server, and ASP.NET - and can plug into an existing environment and contribute quickly. Experience with Microsoft Dynamics GP (Great Plains) is a strong plus but not required. Responsibilities: Design, develop, and maintain applications using .NET, C#, and ASP.NET Build, optimize, and tune SQL Server databases - T-SQL, stored procedures, views, performance tuning Support and enhance existing web applications and internal tools Translate business requirements into clean, maintainable technical solutions Troubleshoot, debug, and resolve production issues across the stack Integrate with internal systems and third-party APIs as needed Where applicable, support or extend Dynamics GP customizations, integrations, or reporting Required: 5+ years of professional .NET development (.NET Framework and/or .NET Core) Strong C# and ASP.NET (Web Forms and/or MVC) Solid SQL Server experience - T-SQL, stored procedures, query optimization Full SDLC experience - requirements, design, development, testing, deployment Strong communication skills; comfortable with technical and non-technical stakeholders Able to work fully onsite in St. Louis, MO Preferred: Microsoft Dynamics GP (Great Plains) - customizations, integrations, or reporting ASP.NET MVC, Web API, or .NET Core Front-end familiarity (JavaScript, jQuery, Bootstrap, Razor) Source control with Git, TFS, or Azure DevOps Reporting tools - SSRS, Crystal Reports, or Power BI The Timberline Group Phone: View phone number on click.appcast.io PO Box 385, Lebanon, MO 65536 View email address on click.appcast.io "Delivering quality solutions through quality people" The Timberline Group Company